Re: reiser4 plugins (was: silent semantic changes with reiser4)

[Christoph Hellwig]

On Sat, Aug 28, 2004 at 04:05:02PM +0400, Alexander Lyamin wrote:
> > But one could even say VFS is integral part of a linux filesystem as
> > it does most of the work a filesystem driver does in other operating
> > systems.
> 
> theres no "linux filesystem". there are "linux filesystems".
> thanks god.

a linux filesystem, not the linux filesystem, please read again.

> But I it would be really grate if you'll elaborate your sentence with
> example of VFS functionality (lack of it) on said "other operating systems"
> and if you'll define "most of work".

most trivial example is namespace locking, in *BSD, Windows, SVR4 and
derivates it's done in the lowlevel filesystem.  In plan9, Linux and
soon DragonlyBSD it's done in the VFS. 

> > > P.S. I imagine, how much flamed it would be if reiser4 made any intensive
> > > changes in linux VFS code...
> > 
> > It really depends on how you sent them.  If you had a big patch without
> > explanations - sure.
> It would work with small tweaks, but you just can take a look at reiser4
> code and you'll understand that it just could not be chopped in
> "set of small patches" altough it could be documented better ofcourse,
> but its really well commented already.
> 
> some times, some approaches to  some problems  just would not work.

You still haven't even bother explaining what you want to do.  It's hard
to argue against vague uncertainity.

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